CSS Worksheet: Practice Test

HTML and CSS lesson 20: CSS test · Set 901 · 40 questions

Code tip (Rule, then maths): Find the topic: syntax, selectors, properties, colours, box model, cascade, flexbox or media queries. Decide which rule or property applies to the element. For sizes, write the sum down: both sides for the box model, free space for flexbox.

1. 1.💪 How much empty space (px) is left after the last box?
   .row {
     display: flex;
     width: 90px;
     justify-content: flex-start;
   }
   Inside are 2 boxes, each 40px wide (no margins).
2. 2.True or false: CSS adds space around boxes. (a) True (b) False
3. 3.💪 How much empty space (px) is left after the last box?
   .row {
     display: flex;
     width: 280px;
     justify-content: flex-start;
   }
   Inside are 4 boxes, each 60px wide (no margins).
4. 4.📦 How wide (px) is this box from the outer edge of its left border to the outer edge of its right border?
   .box {
     width: 240px;
     padding: 25px;
     border: 2px solid black;
     margin: 0px;
   }
5. 5.🌈 Which colour of light is strongest in rgb(136, 71, 230)? (a) red (b) green (c) blue
6. 6.✍️ Which sign goes between a property and its value? (a) ; (b) : (c) - (d) =
7. 7.📦 How much space top to bottom (px) does this box take in all, margin included?
   .box {
     height: 40px;
     padding: 25px;
     border: 3px solid black;
     margin: 10px;
   }
8. 8.🖌️ How big is the text, in px?
   h1 {
     text-align: center;
     background-color: red;
     color: green;
     font-size: 36px;
   }
9. 9.📱 The screen is 540px wide. What font-size (px) does the paragraph get?
   p {
     font-size: 24px;
   }
   @media (min-width: 768px) {
     p {
       font-size: 28px;
     }
   }
10. 10.💪 How much empty space (px) is before the first box?
    .row {
      display: flex;
      width: 180px;
      justify-content: center;
    }
    Inside are 2 boxes, each 80px wide (no margins).
11. 11.💪 Which justify-content value puts boxes in the middle? (a) space-between (b) flex-end (c) flex-start (d) center
12. 12.✍️ What is the selector in this CSS rule?
    .note {
      font-style: italic;
      font-size: 20px;
      color: red;
      border: 2px solid;
    } (a) font-style (b) 20px (c) #top (d) .note
13. 13.🖌️ Where does the text sit on its line?
    p {
      font-size: 24px;
      text-align: center;
      background-color: orange;
      color: white;
    } (a) in the middle (b) on the right (c) on the left
14. 14.📱 The screen is 375px wide. Does the rule inside @media apply?
    p {
      font-size: 24px;
    }
    @media (min-width: 1024px) {
      p {
        font-size: 32px;
      }
    } (a) Yes (b) No
15. 15.📱 The screen is 540px wide. What font-size (px) does the paragraph get?
    p {
      font-size: 12px;
    }
    @media (max-width: 1024px) {
      p {
        font-size: 10px;
      }
    }
16. 16.✍️ What is the selector in this CSS rule?
    li {
      padding: 8px;
      width: 300px;
      color: red;
    } (a) body (b) padding (c) li (d) 300px
17. 17.✍️ How many declarations (property: value pairs) are in this rule?
    h1 {
      font-weight: bold;
      padding: 8px;
      color: red;
    }
18. 18.📦 How much space top to bottom (px) does this box take in all, margin included?
    .box {
      height: 100px;
      padding: 25px;
      border: 1px solid black;
      margin: 0px;
    }
19. 19.🎯 Which CSS selector matches this element?
    <li class="menu" id="end">Hello</li> (a) .end (b) #hero (c) #end (d) #menu
20. 20.📦 How much space across (px) does this box take in all, margin included?
    .box {
      width: 270px;
      padding: 20px;
      border: 5px solid black;
      margin: 5px;
    }
21. 21.🎯 Which CSS selector matches this element?
    <span class="star" id="top">Hello</span> (a) span (b) #intro (c) #star (d) .menu
22. 22.📱 The screen is 540px wide. Does the rule inside @media apply?
    p {
      font-size: 20px;
    }
    @media (min-width: 1024px) {
      p {
        font-size: 24px;
      }
    } (a) No (b) Yes
23. 23.📦 In the box model, which part is the text or picture? (a) border (b) content (c) margin (d) padding
24. 24.💪 How much empty space (px) is left after the last box?
    .row {
      display: flex;
      width: 270px;
      justify-content: flex-start;
    }
    Inside are 2 boxes, each 100px wide (no margins).
25. 25.🖌️ Which CSS property picks the font style? (a) background-color (b) text-align (c) font-family (d) color
26. 26.🖌️ What colour is behind the letters?
    h2 {
      font-size: 36px;
      text-align: right;
      color: black;
      background-color: orange;
    } (a) orange (b) black (c) blue
27. 27.⚖️ What colour is the text of this element?
    <h1 class="box" id="hero">Hi</h1>
    CSS:
    #hero { color: purple; }
    .box { color: green; }
    h1 { color: white; } (a) green (b) purple (c) orange (d) white
28. 28.🎯 Which CSS selector matches this element?
    <li class="red" id="intro">Hello</li> (a) .red (b) div (c) .intro (d) #red
29. 29.True or false: the border is the line round the box. (a) True (b) False
30. 30.Which of these does CSS do? (a) makes a link (b) lays out the page (c) reacts to a button click (d) gives the page structure
31. 31.📦 In the box model, which part is space inside the border? (a) margin (b) padding (c) content (d) border
32. 32.📱 The screen is 820px wide. Does the rule inside @media apply?
    p {
      font-size: 24px;
    }
    @media (min-width: 768px) {
      p {
        font-size: 28px;
      }
    } (a) No (b) Yes
33. 33.📱 The screen is 1366px wide. Does the rule inside @media apply?
    p {
      font-size: 12px;
    }
    @media (min-width: 600px) {
      p {
        font-size: 14px;
      }
    } (a) Yes (b) No
34. 34.True or false: the border is the gap to other boxes. (a) False (b) True
35. 35.True or false: margin is space outside the border. (a) False (b) True
36. 36.✍️ Which sign ends each CSS declaration? (a) ; (b) . (c) , (d) :
37. 37.🖌️ Where does the text sit on its line?
    li {
      text-align: right;
      color: black;
      background-color: yellow;
      font-size: 28px;
    } (a) on the right (b) on the left (c) in the middle
38. 38.🎯 Which CSS selector matches this element?
    <p class="note" id="hero">Hello</p> (a) .big (b) .note (c) h1 (d) #note
39. 39.🌈 Which colour is rgb(0, 0, 0)? (a) cyan (b) blue (c) black (d) magenta
40. 40.🎯 Which element does the selector .note style? (a) <span class="red"> (b) <div class="big"> (c) <div id="note"> (d) <div class="note">

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